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@ARTICLE{Reimer:857978,
      author       = {Reimer, Uwe and Cai, Yun and Li, Ruiyu and Froning, Dieter
                      and Lehnert, Werner},
      title        = {{T}ime {D}ependence of the {O}pen {C}ircuit {P}otential of
                      {P}latinum {D}isk {E}lectrodes in {H}alf {C}ell
                      {E}xperiments},
      journal      = {Journal of the Electrochemical Society},
      volume       = {166},
      number       = {7},
      issn         = {0013-4651},
      address      = {Pennington, NJ},
      publisher    = {Electrochemical Soc.},
      reportid     = {FZJ-2018-06925},
      pages        = {F3098 - F3104},
      year         = {2019},
      abstract     = {The time dependence of the open circuit potential under
                      oxygen and air is characterized by half-cell experiments in
                      the temperature range of 30°C to 80°C. The data is
                      analyzed with the aid of a macroscopic model that captures
                      the effect of a coupled reaction of platinum surface
                      oxidation and the oxygen reduction reaction. The aim of the
                      model is to facilitate an understanding of the principle
                      reactions from an engineering perspective. Two modeling
                      approaches, namely ‘gas electrode’ and ‘flooded
                      electrode’, are compared. It can be shown that the
                      difference between the theoretical Nernst potential and open
                      circuit potential can be described by two major effects: gas
                      solubility in the electrolyte and platinum surface
                      oxidation. The fact that platinum surface oxidation does not
                      lead to a ‘fully oxidized surface’ has strong
                      implications for the design of accelerated stress tests,
                      which is briefly discussed.},
      cin          = {IEK-3},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-3-20101013},
      pnm          = {135 - Fuel Cells (POF3-135)},
      pid          = {G:(DE-HGF)POF3-135},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000462536900001},
      doi          = {10.1149/2.0121907jes},
      url          = {https://juser.fz-juelich.de/record/857978},
}